@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;700&display=swap");

:root {
    --bg: #090909;
    --panel: #101214;

    --text: #d5d8d2;
    --muted: #6d756f;

    --green: #8effb4;
    --cyan: #77d8ff;

    --border: #26292c;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
}

body {
    margin: 0;
    color: var(--text);
    background: radial-gradient(circle at top, #14191d, #090909 65%);
    font-family: "IBM Plex Mono", monospace;
    line-height: 1.7;
}

/* scanlines */

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.12) 0px,
        rgba(255, 255, 255, 0.12) 2px,
        transparent 2px,
        transparent 5px
    );

    mix-blend-mode: overlay;
    opacity: 0.55;
}

#container {
    width: min(900px, 92%);
    margin: 40px auto;
}

#themeHeader {
    display: block;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    margin-bottom: 20px;
}

#header {
    margin-bottom: 45px;
}

.logo {
    margin: 0;
    font-size: 2.4rem;
}

.logo a {
    color: var(--green);
    text-decoration: none;
    text-shadow: 0 0 12px rgba(142, 255, 180, 0.25);
}

.tagline {
    color: var(--muted);
    margin-bottom: 30px;
    font-style: italic;
}

#header ul {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

#header li {
    margin: 0;
}

#header a {
    color: var(--cyan);
    text-decoration: none;
}

#header a:hover {
    color: white;
}

#content {
    background: rgba(16, 18, 20, 0.72);
    border: 1px solid var(--border);
    padding: 35px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.45);
}

h1,
h2,
h3 {
    color: var(--green);
}

h2 {
    margin-top: 2rem;
    border-left: 3px solid var(--green);
    padding-left: 12px;
}

p {
    margin: 1rem 0;
}

a {
    color: var(--cyan);
}

a:hover {
    color: white;
}

.post-meta {
    color: var(--muted);
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

img {
    display: block;
    max-width: 100%;
    margin: 25px auto;
    border: 1px solid var(--border);
    filter: brightness(0.85) contrast(1.05);
}

.caption {
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: -10px;
}

blockquote {
    margin: 20px 0;
    padding-left: 18px;
    border-left: 3px solid var(--cyan);
    color: #aeb4af;
}

pre,
code {
    background: #141414;
    border: 1px solid #262626;
    font-family: inherit;
}

pre {
    padding: 15px;
    overflow-x: auto;
}

code {
    padding: 2px 5px;
}

hr {
    border-top: 1px dashed #3b3b3b;
    margin: 35px 0;
}

#nextprev {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 40px;
}

#footer {
    margin-top: 50px;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 700px) {
    #content {
        padding: 20px;
    }

    .logo {
        font-size: 2rem;
    }
}

/* 404 page */

.error404 {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
    text-align: center;
}

.error404__panel {
    width: min(600px, 100%);
    padding: 45px 35px;
    background: rgba(16, 18, 20, 0.72);
    border: 1px solid var(--border);
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.45),
        inset 0 0 20px rgba(142, 255, 180, 0.05);
}

.error404__code {
    margin: 0 0 25px;
    color: var(--green);
    font-size: 5rem;
    line-height: 1;
    letter-spacing: -3px;
    text-shadow: 0 0 12px rgba(142, 255, 180, 0.35);
}

.error404__title {
    margin: 0 0 15px;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.error404__message {
    color: var(--muted);
}

.error404__link {
    display: inline-block;
    margin-top: 15px;
    color: var(--cyan);
    text-decoration: none;
    border-bottom: 1px dashed var(--cyan);
}

.error404__link:hover {
    color: white;
    border-color: white;
}